Definition of "tangram" []

• A Chinese puzzle consisting of a square cut into five triangles, a square, and a rhomboid, to be reassembled into different figures. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I should say the name 'tangram' was probably invented by an American some little time before 1864 and after 1847, but I cannot find it in print before the 1864 edition of"
• "On the appearance of this magazine article, the late Sir James Murray, the eminent philologist, tried, with that amazing industry that characterized all his work, to trace the word "tangram" to its source."
• "Raytheon's MathMovesU invites visitors to create your own roller coaster, construct life-size tangram puzzles, relax in their Cyber Café and more."